Num Numbers, chapter Book of Numbers, chapter 35
And the Go'el HaDahm find him outside the gevul (borders, city limit) of his ir miklat, and the Go'el HaDahm kill the rotze'ach, he shall not be guilty of dahm,
And the Go'el HaDahm find him outside the gevul (borders, city limit) of his ir miklat, and the Go'el HaDahm kill the rotze'ach, he shall not be guilty of dahm,